Unless you have a Kinect setup on your Xbox One, every time you turn on your console, you’ll need to manually sign in to your account, which isn’t a complicated process, but they’re additional steps that shouldn’t have to go through.
If you want to avoid the extra steps, it’s possible to change your console settings to sign-in automatically.
How to set up instant sign-in on Xbox One
The process to configure your console to sign you in automatically using the instant sign-in feature is very straightforward, just follow these steps:
Click on Account.
Click on Instant sign-in.
Click on Use instant sign-in to confirm.
Once you completed the steps, every time you start your Xbox One, you’ll be signed in automatically.